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Class:angiosperms
Order:Rosales
Family:Rosaceae
Genus:Sorbus
Scientific name: Sorbus sibirica Hedl.
Name acc. to:Gubanov 1996
Herbar:list records    
Synonym: S. aucuparia ssp. sibirica (Hedl.) Krylov. (acc. to Flora of Siberia (2004), Vol.8:19)
Description:Small tree, (1)3-10 m high. Leaves dull, grayish-green, glabrous, 10-20 cm long, imparipinnate, leaflets serrate. Flowers white in compact, broad inflorescences, flowers white. Fruits red, 5-9 mm in diameter.
open map in a new windowtaxon distribution for Sorbus sibirica acc. to Geobotanical Regions of Mongolia by Grubov (1955)
Habitat:Forest-tundra and upper forest limit (Grubov 2001).
Habit (i)general appearance of a plant
Growth form: (i)Herb, shrub, tree or climber.herb (i)Herbaceous, erect plant, up to 2m high, mostly with a leafy shoot; if perennial, shoots die to the ground each season, shoots are not woody
example: Artemisia pectinata
inherited by genus Sorbus: herb
perennial (i)Living for several to many years, as opposed to annual and biennial inherited by genus Sorbus: perennial
tree (i)Woody plant with a clear main trunk, at least 2-3 m tall
example: Ulmus pumila
inherited by genus Sorbus: tree
Size of plant: (i)Attention: use flowering or fruiting specimens to assess plant height (many biennial plants possess only a basal rosette in the first year). more than 3000 mm inherited by genus Sorbus:
Parasite status: (i)Is the plant a half- or full parasite?no parasite/saprophyte (i)Plant fully autonomous, leaves with chlorophyll
example: Most plants, Ranunculus
inherited by family Rosaceae: no parasite/saprophyte
Water or terrestrial plant: (i)Where do the plants grow?terrestrial (i)Plant grows on dry land
example: Orostachys spinosa
inherited by genus Sorbus: terrestrial
Leaf (i)expanded, usually photosynthetic organ of a plant (including phylloclades)
Leaf development: (i)Structure and development of leaves.with green leaves (i)Plant with green leaves inherited by family Rosaceae: with green leaves
Leaf arrangement: (i)Arrangement of leaves at the stem.alternate (i)One leaf per node; distiche: arranged in two vertical rows, equitant
example: Phragmites
inherited by genus Sorbus: alternate
Simple or divided leaves: (i)Are the leaves simple or completely divided in several parts? Blade of the leaf entire or (more or less) deeply dissected. Attention: There are various appearances of the leaf margin (from entire to toothed and lobed). Here, we ignore this and ask only for dissections that separate the leaf for more than one third of its length or width, whatever is smaller. Sometimes, it is difficult to tell apart compound leaves from a shoot system with simple leaves: look for stipulae and/or axillary buds at the ground of the leaves: if only some possess these structures, the others are most likely leaflets of a compound leaf.imparipinnate / ottpinnate (i)A pinnate leaf with an central unpaired terminal leaflet inherited by genus Sorbus: imparipinnate / ottpinnate
compound (i)Composed of several similar parts inherited by genus Sorbus: compound
pinnate (i)With leaflets on both sides of an axis, at least 2 pairs or more
example: Onobrychis
inherited by genus Sorbus: pinnate
Length of leaves: (i)How long is the leaf, be carefull in compound leaves, measure the complete leaf. more than 50 mm inherited by genus Sorbus:
Leaf margin: (i)Structure of leaf margin (or that of a leaflet in case of compound leaves). Attention: Here we ask for the leaf margin, defined as all those dissections that separate the leaf for less than one third of its length or width, whatever is smaller. To be worked out: how to handle margin of pinnate leaves?serrate / dentate / crenulate (i)Margin saw-like or rounded teethed
example: Betula, Lophanthus (crenulate)
inherited by genus Sorbus: serrate / dentate / crenulate
Petiole: (i)Leaf divided into stalk (petiole) and blade.with (i)Leaves with petiole (stalk) inherited by genus Sorbus: with
Stipule: (i)Leaflets at the base of the petiole, these are smaller and of different shape.pair (i)A pair of free stipulae
example: Lathyrus, Trifolium
inherited by genus Sorbus: pair
Leaf colour lower side: (i)Shades of green on the leaf, lower side.grayish (i)Grayish in colour due to hairs or a thick cuticula
example: Atriplex cana
inherited by genus Sorbus: grayish
Leaf veination: (i)Arrangement of the main veins of a leaf.pinnate (i)One main vein, several side veins, sometimes inconspicuous
example: Cicerbita
inherited by genus Sorbus: pinnate
Flower (i)reproductive portion of the plant, consisting of sepals, petals, stamens, and pistils
Flower appearance and pollination: (i)General appearance of the flower.attractive, animal-pollinated (i)attractive and coloured flowers, mostly large, attracting surely animals
example: Trollius, Rosa, Chamaerhodos
inherited by family Rosaceae: attractive, animal-pollinated
Flower colour: (i)Attention: assess colour of the most colourful parts of the flower, but not of the stamens; be aware of single plants with a mutation (mostly white) on flower colour.white (i)Most plants of the population white
example: Pleurospermum, Maianthemum
inherited by genus Sorbus: white
Perianth arrangement: (i)Attention: in some plants, flowers may be dimorphic in different ways (dioecious or gynodioecious). If flowers vary, record the characters of the most showy flowers.double, different (i)Two types of perianth leaves, differently coloured (sepals: outer periant leaves, usually greenish, and petals: inner perianth leaves, usually coloured)
example: Parnassia
inherited by genus Sorbus: double, different
Flower symmetry: (i)Symmetry of the perianth leaves. Attention: to assess this character, look on sepals, petals and stamens, but neglect carpels and ovary.radiary, regular (actinomorphic) (i)More than two axis of symmetry
example: Saxifraga: 5; Iris: 3
inherited by family Rosaceae: radiary, regular (actinomorphic)
Flower form: (i)common forms of flowers ? Veronicasimple (flat) - Do not confuse with inflorescences as in some Asteraceae (i)Petals spread out, flower appearing flat
example: Mollugo, Trientalis, Pulsatilla, Saxifraga
inherited by family Rosaceae: simple (flat) - Do not confuse with inflorescences as in some Asteraceae
Sepal number: (i)Number of sepal leaves (outer perianth leaves, calyx leaves, mostly greenish). Attention, this character applies only for flowers separated in sepals and petals, thus excluding most monocots. Be aware of the bracts (involucral leaves) of Asteraceae flowerheads, do not qualify these as sepals! Be also aware in Rosaceae is often an epicalyx developed, in this case count all parts.5 (i)
example: Polemonium
inherited by genus Sorbus: 5
Petal / Tepal number: (i)Number of petal leaves (inner perianth leaves, usually coloured).5 (i)
example: Potentilla
inherited by genus Sorbus: 5
Petal / Tepal fusion: (i)To which degree are the petal leaves connected? Petals sympetalous.free (i)all petal leaves separate from each other
example: Anthriscus
inherited by family Rosaceae: free inherited by genus Sorbus: free
Spur: (i)A hollow, slender, sac-like appendage of the perianth leaves, storing nectar.no spur (i)Flower without appendage
example: Peganum
inherited by family Rosaceae: no spur
Stamen number: (i)Attention: We ask for the reproductive organs of the flower dispersing pollen. Count only fully fertile stamens, not staminodia (e.g. Parnassia).> 10 (i)
example: Nymphaea, Callianthemum, Rosa
inherited by genus Sorbus: > 10
Stamen fusion: (i)To which degree are the stamens fused? Attention: Whereas the pollen sacs itself are often free., their stalks (filaments) may be fused. Here, we count them as fused if they are together over at least one thirth of their length.free (i)Stamens with separate bases
example: Malus
inherited by family Rosaceae: free
Style number: (i)Portion of the pistil connecting the stigma to the ovary.3 inherited by genus Sorbus: 3
Ovary position: (i)For entirely or partly fused carpels, describe their position in relation to the insertion point of perianth leaves (best done by doing a longitudinal section of a flower).inferior (i)Ovary below the point where perianth leaves are inserted, always fused to an ovary
example: Vaccinum
inherited by genus Sorbus: inferior
Sex: (i)Distribution of male and female organs among flowers, only most commonly cases.bisexual, hermaphrodite (i)All or nearly all flowers of a plant with male and female parts
example: Haplophyllum, Chenopodium
inherited by genus Sorbus: bisexual, hermaphrodite
Inflorescence (i)flowering part of a plant, describes the arrangement of the flowers on the flowering axis
Inflorescence: (i)Structure of the inflorescence.Flowers in inflorescence (i)No solitary flowers inherited by genus Sorbus: Flowers in inflorescence
Appearance: (i)Outer look of the inflorescence.terminal (i)Inflorescence is the highest point of the plant and may consist of a single flower only
example: Cypripedium, Rhaponticum, Ligularia sibirica, Echinops
inherited by genus Sorbus: terminal
Inflorescence type: (i)Types of inflorescence. Attention: We here ask for the botanical nomenclature of inflorescences, which is sufficiently complicated. Tick only, if you are certain, or tick all inflorescence types that appear similar of these of the plant in question.panicle (i)Branched, with flowers maturing from the bottom upwards
example: Phragmites
inherited by genus Sorbus: panicle
Fruit (i)the seed bearing organ, with or without adnate parts; a ripened ovary and any other structures which are attached and ripen with it. Aggregate fruits are handled like simple fruits for determination.
Consistency: (i)Fleshy fruits or dry fruits, see dispersal adaptations for further classification.fleshy (i)Usually non dehiscent; with a fleshy (swollen because of a high water content) outer shell, flesh edible at least for animals
example: Prunus, Amygdalus, Malus
inherited by genus Sorbus: fleshy
Type of fruit: (i)Common fruit types (including pseudocarp).pomelike fruit (i)Some (often about 5) fruitlets (follicles) surrounded by fleshy receptacle
example: Malus, Crataegus, Cotoneaster
inherited by genus Sorbus: pomelike fruit
Aggregated fruits (i) inherited by genus Sorbus: Aggregated fruits
Opening of fruit: (i)Mode of dehiscence at maturity to release seeds.not opening / indehiscent (i)Fruits remain closed at maturity and disperse with seeds inside
example: Corylus (nut), Vaccinium (berry)
inherited by genus Sorbus: not opening / indehiscent
Dispersal: (i)Appearance of fruit or seed (if single) and adaptations to dispersal.Fleshy, edible (i)At least parts with a soft tissue edible at least for some animals (not necessarily for humans) inherited by genus Sorbus: Fleshy, edible
Hairs
Has hairs?:no hairs, glabrous inherited by genus Sorbus: no hairs, glabrous
Root / shoot below ground (i)plant part below ground (in most cases), including below ground shoots, without leaves
Root type: (i)Organisation of the roots.allorhizous (i)Plant with a conspicuous tap root, one larger tap root with side roots
example: Dicotyledonae
inherited by order Rosales: allorhizous
Distribution (i)region where the plant is likely to be found
Distribution (Veg. Zones): (i)acc. to Grubov 1952Khentei (i)In distribution data often named as '2'
Khangai (i)In distribution data often named as '3'
Mongol-Daurian (i)In distribution data often named as '4'
Great Khingan (i)In distribution data often named as '5'
acc. to: Gubanov 1996
Distribution Khangay: (i)acc. Flora Khangaya 1989IV
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